2 . I like reading, because _____________.
我喜欢读书，因为它是探索未知世界的一种方法。

3 . 用方框中单词的适当形式完成下列句子， 每个单词只能用一次。

disappoint          origin             regular       patient        formal        explore          various

1. People change their mind for a ___________ of reasons.
2. Our school _________ invites university professors to give lectures on science.
3. To his _________, the basketball team lost the championship game.
4. On __________ occasions, you can wear anything you want, like T-shirts and jeans.
5. Their _________ idea was to fix their old computer, but they decided to buy a new one instead.
6. As a doctor, when working with _________, my efforts are centered on helping them overcome illness.
7. After _________ the old part of the town in the morning, we made our way to the modern part after lunch.

5 . 在未来的三天里，你可以深入雨林探索。(explore the rainforest) (汉译英)

6 . 我们一来到岛上就迫不及待地开始探索。(汉译英)

7 . Westerners did not set out to e________ the world until the fifteenth century. ( v. travel to or around an area or a country in order to learn about it) （根据首字母单词拼写）

8 . Teachers must ________ rules for the students to follow while they are at school.

A．establish

B．explore

C．seal

D．revive

9 . 根据句意，选择单词或短语并以其适当形式填空。

involve, apply, cover, dismiss, appeal, access, account for, explore, feature

1. The electronic device is creatively designed to ________ to all ages and social groups.
2. Walking and cycling are two best ways to ________ the city without rushing your time.
3. Without ________ to education, many girls in developing countries cannot learn skills and realize their potential.
4. The success of athletes ________ hard training and commitment for excellence.
5. What ________ the unusual rainfall in Beijing in the past summer and autumn?
6. Different from Summer Olympic Games, Winter Olympic games ________ sports on either ice or snow, such as figure skating, skiing, snowboarding and ski jumping.
7. Despite the harsh weather, our soldiers, with 20 kg weight on their back, ________ 70 km overnight and made it through the toughest battle.